Larson, Donald Keith,  1932- <br/><br/>
Variability of wheat yields in the Great Plains 
[by Donald K. Larson and Layton S. Thompson. 
 - Washington,  1966] 
 - 38 p.  illus.  26 cm. 
 - United States. Dept. of Agriculture. Economic Research Service. ERS  287 .
 - United States.  Department of Agriculture.  Economic Research Service.  ERS  287. .
<br/><br/><label>LCCN: </label>agr66000211  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Wheat--Great Plains.<br/>Wheat yields.<br/>Wheat--Great Plains.
<br/><br/><label>National Agricultural Library Call No.: </label>A281.9 Ag83E no. 287